Coke-puller.



PATENTED NOV. 15, 1904.

H. KING.

COKE FULLER.

APPLICATION FILED APR.19, 1904.

N0 MODEL.

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[N VENT R UNITED STATES Patented November 15, 1904.

PATENT OFFICE.

JAMES ELLWVOOD JONES, OF SWVITCHBACK, W EST VIRGINIA.

COKE-FULLER.

SPECIFICATION forming part of Letters Patent N0. 7'? 5,183, dated. November 15, 1904.

Application filed April 19, 1904.

To and w/wm it may concern.-

Be it known that I, HARRY KING, a citizen of the United States of America, and a resident of WVashington, in the District of Golum bia, have invented certain new and useful Improvements in Coke-Pullers, of which the following is a specification.

This invention relates to a coke-puller de signed to be operated by mechanical means for pulling coke from a coke-oven and including an underworking wedge-like scraper operative on the instroke to loosen the caked coke for withdrawal and a swinging cokegrasper adjustable into position to grasp and hold the loosened coke over and above the scraper on the outstroke.

The object of the invention is to provide simple means for a quick and thorough discharge of the oven without unnecessary breakage of the coke.

Figure 1 of the accompanying drawings represents a plan of a coke-puller embodying one form of this invention, parts being broken out. Fig. 2 represents in part a vertical longitudinal section and in part a side elevation of the coke-puller shown in Fig. l on line 2 2 thereof, the coke-puller being shown at the end of its instroke within the coke-oven. Fig. 3 represents a similar View to that illustrated in Fig. 2, showing the coke-grasper adjusted in position for the outstroke.

The same reference characters indicate corresponding parts in all the figures.

This coke-puller is designed to be mounted on a suitable machine-car traveling on a track located in front of the coke-oven and preferably outside the track on which the coke-receiving cars travel. The machine-car will carry suitable mechanism for thrusting the coke-puller into the coke-oven and retracting it therefrom and for swinging it laterally to gather the coke from opposite sides of the oven. The machine shown in the expired United States Patent N 0. 446,936 may be used for this purpose, or the machine shown in Patent No. 731, 913 to James Ellwood Jones, dated June 23, 1903.

A coke-puller bar 10 serves as the main ac- Serial No. 203.930. (No model.)

tuating-bar and is preferably rigid throughout, the rear portion thereof having a rackbar or rack 11 corresponding to the rack-bar a of said expired patent. This bar 10 is also provided with guide-loops 12 and 13. A scraper is disposed at the front end of the bar 10. This scraper is of wedge-like form and comprises when constructed as herein shown two opposite side plates 21 and 22, a transverse back plate 25, and a tilting front plate 30, pivoted to said side plates. This front plate 30 is adapted to act as a coke lifting or loosening surface on the instroke,and the back plate 25 is adapted to act as a coke-scraper or pulling-surface on the outstroke. The tilting plate is provided about midway of its length, preferably slightly in rear of its center with rigid arms 31 and 32, disposed near its opposite edges and adapted to fit inside the side plates 21 and 22. These arms are pivoted to said side plates by means of pivot-pins or rivets 26 and 27, and they are provided at their lower ends with slots, as The back plate 25 is curved on its inner face to correspond with the curvature of the are on which the rear edge of the tilting plate 30 moves and is of such height as to be flush with the upper face of said plate when the latter is in closed position. The rear sides of the plate 30 behind the pivot-point are recessed to permit the upper part of said plate to swing within the body of the scraper, and the front portion of the side plates 21 and 22 in front of the pivotal point of the tilting plate are recessed to receive the projecting edges of the front portion of said tilting plate, which is preferably made to overlap the upper edges of the side plates in the front portion thereof. The front edge of the tilting plate 30 is preferably beveled to correspond with the bottom of the oven when in-closed position, and it is preferably curved horizontally to cor respond with the curvature of the oven walls.

A slide-bar 40, preferably supported in the guide-loops 12 and 13 of the coke-puller bar 10, is provided at its front end with a yoke 41, the forked ends of which are provided with studs which engage the slots 33 and 34 of the rigid arms 31 and 32, attached to the tilting front plate 30. The inner or rear end of this bar is provided at a point convenient of access by the operator with a handle 44, which may constitute .one means of actuating the slide-bar. If desired, the slide-bar 40 may be actuated by the mechanical means in any suitable manner as, for instance, in a manner similar to the actuation of the bar 170 of said Jones patent.

Means are preferably provided for locking the tilting plate 30 in open and closed positions. Any suitable means may be employed for this purpose. The means shown include two notches 14 and 15 in the coke-puller bar and a spring-catch 46, attached to the bar 40 and adapted to engage said notches. This spring-catch may constitute a part of the handle 4:5 for actuating the slide-bar 4:0. The notches 1A and are disposed at a proper distance apart to lock the slide-bar 40 in the two extremes of its movement. lVhen the bar 40 is drawn back so that the catch 46 will engage the rear notch, the swinging plate is in closed position, as shown in Figs. 1 and 2, and when the slide-bar 4:0 is thrust forward so that the catch 46 engages the notch 14: the swinging plate is in open position, as shown in Fig. 3.

In the use of this invention the coke-puller is adjusted into operative position on its instroke, as shown in Fig. 1, by drawing back the slide-bar A0 and closing the tilting plate 30 and looking it in closed position. Then the coke-puller is thrust into the oven, along the bottom thereof, a sufficient distance to make a proper drawing of the coke, the scraper having a wedge-like action and operating to loosen the coke under which it passes, as shown in Fig. 2. The main portion of the so-loosened coke falls behind the back plate of the scraper; but at the end of the instroke into the oven a small part of said loosened coke lies on the top of the tilting plate 30, as shown in Fig. 2. Then the sliding bar &0 is thrust forward from the machine and the tilting plate is swung on its pivot into open position, where its front end is raised, lifting the coke upon it and operating to grasp or hold said coke, as shown in Fig. 3. The outstroke of the coke-puller from the oven for the withdrawal of the coke is then made, and the back plate 25 of the scraper 2O pulls out the main body of the loosened coke, and the swinging plate 30, then in open position, holds and takes out the coke immediately above the scraper, whereby the whole mass of loosened coke is withdrawn. The rear plate 25 may be made thicker at its upper end, forming a straight scraping-surface for the outward movement of the coke-puller, as shown in Fig. 3. When the scraper is at a point over the chute or car onto which the coke is to be delivered, the slide-bar 4:0 is given a backward thrust and the tilting plate 30 is closed into its wedging position and the coke held upon it is dumped over the front of the scraper into such car or or other receptacle.

I claim as my invention- 1. A coke-puller comprising an underworking scraper adapted to operate on its instroke to loosen coke for withdrawal and on its outstroke to withdraw loosened coke, a tilting plate pivoted about midway of its length to the body of said scraper-and adapted to serve in a forwardly-inclined position as a wedging or lifting surface for said scraper and in the oppositely-inclined position as a coke grasper or holder. and means for tilting said plate.

2. A coke-puller comprising an underworking scraper adapted to operate on its instroke to loosen coke for withdrawal and on its outstroke to withdraw loosened coke, a tilting plate pivoted about midway of its length to the body of said scraper and adapted to serve in a forwardly-inclined position as a wedging or lifting surface for said scraper and in the oppositely-inclined position as a coke grasper or holder, a cokepuller bar to which said scraper is attached, and a slide-bar connected with said coke-puller bar and having a pivotal connection with said tilting plate.

8. In a coke-puller, the combination of a coke-puller bar, an underworking scraper connected to the outer end of said bar and adapted to operate on its instroke to loosen coke for withdrawal and on its outstroke to withdraw loosened coke, said scraper having a tilting plate pivoted about midway of its length to the body thereof and provided witha rigid arm, and a slide-bar having apivotal connection with said rigid arm for tilting said plate.

4. A coke-puller comprising a scraper having a hollow wedge-like body tapered toward its front end, a tilting plate pivoted about midway of its length to said body and provided with rigid arms connected therewith, a coke-puller bar supporting said scraper at its front end, and a slide-bar provided with a yoke connected with said arms for turning said plate into wedging position for loosening coke or into grasping position for withdrawing it.

5. A coke-puller comprising an underworking scraper adapted to operate on its instroke to loosen coke for withdrawal and on its outstroke to withdraw loosened coke, a tilting plate pivoted about midway of its length to the body of said scraper and adapted to serve in a forwardly-inclined position as a Wedging or lifting surface for said scraper and in the oppositely-inclined position as a coke grasper or holder, a coke-puller bar to which said scraper is attached, a slide-bar connected with said coke-puller bar and having a pivotal connection with said tilting plate, and means for locking said tilting plate in dilferent positions.

6. A coke-puller comprising an underworking scraper adapted to operate on its instroke IIO to loosen coke for withdrawal and on its outstroke to withdraw loosened coke, a tilting plate pivoted about midway of its length to the body of said scraper and adapted to serve in a forwardly-inclined position as a wedging or lifting surface for said scraper and in the oppositely-inclined position as a coke grasper or holder, a coke-puller bar to which said scraper is attached, a slide-bar connected with said coke-puller bar and having a pivotal connection with said tilting plate, and a locking device on said bars for locking said plate in difl'erent positions.

7. A coke-puller comprising an underworking scraper adapted to operate on its instroke to loosen coke for withdrawal and on its outstroke to withdraw loosened coke, a tilting Dlate pivoted about midway of its length to the body of said scraper and adapted to serve in a forwardly-inclined position as a wedging or lifting surface for said scraper and in the oppositely-inclined position as a coke grasper or holder, a coke-puller bar to which said scraper is attached, aslide-bar connected with said coke-puller bar and havingapivotal connection with said tilting plate, one of said bars being provided with notches and the other with a spring-catch for locking said tilting plate in different positions.

8. A coke-puller comprising an under-working scraper adapted to operate on its instroke to loosen coke for withdrawal and on its outstroke to withdraw loosened coke, a tilting plate pivoted about midway its length to one body of said scraper and adapted to serve in a forwardly-inclined position as a wedging or lifting surface for said scraper and in the oppositely-inclined position as a coke grasper or holder, a coke-puller bar to which said scraper is attached, a slide-bar connected with said coke-puller bar and having a pivotal connection with said tilting plate, one of said bars being provided with a handle having a springcatch adapted to engage notches in the other bar.

HARRY KIN G.

Vitnesses:

F. C. SoMns, PAUL E. JOHNSON. 

